NRC Form 313A (AUT) - Authorized User -
Use of unsealed byproduct material for which a directive is required.
Oral administration of sodium iodide I-131 requiring a written directive in
quantities less than or equal to 1.22 gigabecquerels (33 millicuries).
Oral administration of sodium iodide I-131 requiring a written directive in
quantities greater than 1.22 gigabecquerels (33 millicuries).
Parenteral administration of any beta-emitter, or photon-emitting
radionuclide with a photon energy less than 150 keV for which a written
directive is required. Parenteral administration of any other
radionuclide for which a written directive is required uses.